ValueRankAnomalyMean

Divisional Palmer Z-Index

July - September 1938

-4-3-2-11234

Pennsylvania (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

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July - September 1938 Pennsylvania Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Pocono Mountains	1.37	109	1.38	-0.01
2. East Central Mountains	1.82	117	1.79	0.03
3. Southeastern Piedmont	2.05	121	1.99	0.06
4. Lower Susquehanna	0.38	76	0.18	0.20
5. Middle Susquehanna	0.14	65	0.04	0.10
6. Upper Susquehanna	1.30	100	1.20	0.10
7. Central Mountains	-1.10	30	-1.11	0.01
8. South Central Mountains	-0.83	40	-0.85	0.02
9. Southwest Plateau	-1.17	28	-1.16	-0.01
10. Northwest Plateau	-0.04	75	-0.04	0.00

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on June 30, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping